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Western Grebe
Scientific Name: Aechmophorus occidentalis
Thresholds:
- Baynes Sound (BC057)15,174 (max.)
- English Bay, Burrard Inlet & Howe Sound (BC020)15,000 (max.)
- Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017)7,273 (max.)
- K'ómoks (BC272)6,340 (max.)
- Lambert Channel/Hornby Island Waters (BC061)6,340 (max.)
- Little Qualicum Estuary to Nanoose Bay (BC056)5,000 (max.)
- Barkley Sound (BC075)4,900 (max.)
- Marshy Point (MB087)4,800 (max.)
- Comox Valley (BC014)4,700 (max.)
- Xaana Kaahlii GawGaay Skidegate Inlet (BC145)2,724 (max.)
- Frank Lake (south) (AB079)2,200 (max.)
- Delta Marsh (MB001)2,135 (max.)
- Whitewater Lake (MB015)2,080 (max.)
- Utikuma and Utikumasis Lakes (AB054)1,702 (max.)
- Eagle, Namaka and Stobart Lakes (AB078)1,500 (max.)
- Lac La Biche (AB097)1,470 (max.)
- Lesser Slave Lake PP (AB003)1,300 (max.)
- Sandy Bay Marshes (MB093)1,000 (max.)
Global
1% of the global population estimate. This threshold is used to identify trigger species and IBAs under categories A4i/ii and A4iv.
Regional/Continental
1% of the regional/continental population estimate.
| Baynes Sound (BC057) | ||
|---|---|---|
| Number | Year | Season |
| 200 | 2007 | Winter |
| 15,174 | 1983 | Winter |
| 10,356 | 1981 | Winter |
| English Bay, Burrard Inlet & Howe Sound (BC020) | ||
|---|---|---|
| Number | Year | Season |
| 36 | 2012 | Winter |
| 3 | 2010 | Winter |
| 14 | 2009 | Winter |
| 48 | 2008 | Winter |
| 303 | 2007 | Winter |
| 21 | 2006 | Winter |
| 292 - 578 | 2005 | Winter |
| 203 | 2004 | Winter |
| 136 - 215 | 2003 | Winter |
| 148 - 1,029 | 2002 | Winter |
| 669 | 2000 | Winter |
| 951 | 1995 | Winter |
| 15,000 | 1970 | Winter |
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Number | Year | Season |
| 910 - 1,990 | 2021 | Spring |
| 920 - 1,200 | 2020 | Fall |
| 1,000 - 1,980 | 2020 | Spring |
| 1,000 | 2019 | Winter |
| 1,200 | 2018 | Spring |
| 1,600 | 2017 | Fall |
| 1,000 | 2014 | Spring |
| 1,000 | 2011 | Spring |
| 200 | 2010 | Winter |
| 353 | 2009 | Fall |
| 470 | 2008 | Spring |
| 210 | 2007 | Spring |
| 260 | 2006 | Fall |
| 650 | 2005 | Winter |
| 900 | 2004 | Winter |
| 2,093 | 2003 | Fall |
| 1,400 - 3,200 | 2003 | Winter |
| 2,426 | 2002 | Spring |
| 1,300 | 2001 | Spring |
| 1,500 | 2001 | Winter |
| 1,433 | 2000 | Fall |
| 942 - 7,273 | 2000 | Spring |
| 2,161 | 2000 | Winter |
| 1,000 | 1999 | Winter |
| 1,000 - 3,000 | 1998 | Fall |
| 5,000 | 1996 | Winter |
| 1,495 | 1991 | Winter |
| 1,052 - 2,109 | 1988 | Fall |
| 1,068 | 1988 | Spring |
| K'ómoks (BC272) | ||
|---|---|---|
| Number | Year | Season |
| 1,120 | 2010 | Fall |
| 6,000 - 6,340 | 2005 | Winter |
| 1,000 - 1,132 | 2003 | Fall |
| 2,000 | 2003 | Spring |
| 2,122 | 1997 | Winter |
| 1,516 | 1994 | Winter |
| 3,081 | 1991 | Winter |
| Lambert Channel/Hornby Island Waters (BC061) | ||
|---|---|---|
| Number | Year | Season |
| 6,340 | 2005 | Winter |
| 2,000 | 2003 | Spring |
| Little Qualicum Estuary to Nanoose Bay (BC056) | ||
|---|---|---|
| Number | Year | Season |
| 1,245 | 1991 | Winter |
| 1,600 | 1977 | Fall |
| 4,800 | 1976 | Spring |
| 5,000 | 1972 | Fall |
| 3,500 | 1931 | Spring |
| ? | ? | Spring |
| Barkley Sound (BC075) | ||
|---|---|---|
| Number | Year | Season |
| 963 | 2005 | Spring |
| 963 | 2005 | Winter |
| 4,900 | 1979 | Spring |
| Marshy Point (MB087) | ||
|---|---|---|
| Number | Year | Season |
| 4,800 | 1979 | Summer |
| Comox Valley (BC014) | ||
|---|---|---|
| Number | Year | Season |
| 1,120 | 2010 | Fall |
| 419 | 2007 | Winter |
| 1,000 | 2003 | Fall |
| 2,122 | 1997 | Winter |
| 1,516 | 1994 | Winter |
| 3,081 | 1991 | Winter |
| 4,700 | 1985 | Winter |
| Xaana Kaahlii GawGaay Skidegate Inlet (BC145) | ||
|---|---|---|
| Number | Year | Season |
| 1,000 | 2019 | Winter |
| 1,500 | 2018 | Winter |
| 1,000 | 2017 | Winter |
| 1,000 - 2,000 | 2016 | Winter |
| 1,000 | 2015 | Winter |
| 1,000 - 1,500 | 2015 | Fall |
| 1,000 - 1,300 | 2014 | Winter |
| 2,000 - 2,004 | 2013 | Winter |
| 1,000 | 2013 | Fall |
| 1,000 | 2010 | Winter |
| 921 | 2006 | Winter |
| 906 | 1993 | Winter |
| 2,724 | 1992 | Winter |
| Frank Lake (south) (AB079) | ||
|---|---|---|
| Number | Year | Season |
| 2,200 | 1977 | Fall |
| Delta Marsh (MB001) | ||
|---|---|---|
| Number | Year | Season |
| 1,944 | 2010 | Summer |
| 1,100 | 2007 | Fall |
| 2,135 | 2002 | Fall |
| 1,000 | 1996 | Spring |
| 2,000 | 1979 | Summer |
| 1,170 | 1974 | Summer |
| 1,308 | 1973 | Summer |
| Whitewater Lake (MB015) | ||
|---|---|---|
| Number | Year | Season |
| 1,000 - 2,050 | 2017 | Fall |
| 1,004 | 2017 | Spring |
| 1,935 - 2,080 | 2016 | Fall |
| Utikuma and Utikumasis Lakes (AB054) | ||
|---|---|---|
| Number | Year | Season |
| 1,702 | 2000 | Summer |
| 206 | 1998 | Summer |
| 50 | 1985 | Summer |
| Eagle, Namaka and Stobart Lakes (AB078) | ||
|---|---|---|
| Number | Year | Season |
| 1,500 | 1985 | Spring |
| ? | ? | Other |
| Lac La Biche (AB097) | ||
|---|---|---|
| Number | Year | Season |
| 1,086 | 2005 | Summer |
| 1,470 | 2003 | Summer |
| 1,000 | 1985 | Other |
| Lesser Slave Lake PP (AB003) | ||
|---|---|---|
| Number | Year | Season |
| 1,300 | 1975 | Other |
| Sandy Bay Marshes (MB093) | ||
|---|---|---|
| Number | Year | Season |
| 1,000 | 1986 | Summer |
| 300 | 1979 | Summer |